2115740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 4959360

約数和(自身を除く): 2843620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 163, 220, 236, 295, 326, 590, 649, 652, 815, 1180, 1298, 1630, 1793, 2596, 3245, 3260, 3586, 6490, 7172, 8965, 9617, 12980, 17930, 19234, 35860, 38468, 48085, 96170, 105787, 192340, 211574, 423148, 528935, 1057870, 2115740]

約数ペア:

[(1, 2115740), (2, 1057870), (4, 528935), (5, 423148), (10, 211574), (11, 192340), (20, 105787), (22, 96170), (44, 48085), (55, 38468), (59, 35860), (110, 19234), (118, 17930), (163, 12980), (220, 9617), (236, 8965), (295, 7172), (326, 6490), (590, 3586), (649, 3260), (652, 3245), (815, 2596), (1180, 1793), (1298, 1630)]